TWiM #28: Not unorganized bags of enzymes

FromThis Week in Microbiology

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TWiM #28: Not unorganized bags of enzymes

FromThis Week in Microbiology

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Length:

77 minutes

Released:

Mar 7, 2012

Format:

Podcast episode

Description

Vincent, Michael, and Elio review how competition within a host drives virulence of Streptococcus pneumoniae, and the expanding universe of the bacterial cytoskeleton.

Released:

Mar 7, 2012

Format:

Podcast episode

Titles in the series (100)

This Week in Microbiology is a podcast about unseen life on Earth hosted by Vincent Racaniello and friends. Following in the path of his successful shows 'This Week in Virology' (TWiV) and 'This Week in Parasitism' (TWiP), Racaniello and guests produce an informal yet informative conversation about microbes which is accessible to everyone, no matter what their science background.

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TWiM #21: Symbiotic margheritas: Vincent and Elio discuss ancient symbiosis between Alphaproteobacteria and catenulid flatworms, and a toxin from Helicobacter pylori that engages the mitochondrial fission machinery to induce host cell death. by This Week in Microbiology
68 min listen
TWiM #11: Chickens, antibiotics, and asthma: Vincent, Margaret, Michael and Elio review the presence of extended spectrum beta-lactamase genes in chicken meat and in humans, and a beneficial effect of Helicobacter pylori colonization on the development of allergen-induced asthma. by This Week in Microbiology
73 min listen
TWiM #6: Antibacterial therapy with bacteriophage: Reality or fiction?: Vincent, Cliff, Michael and Elio review the use of bacteriophages to manage infections, and the presence of antibiotic resistance genes in the bacteriophage from urban sewage and river water. by This Week in Microbiology
82 min listen
TWiM #1: Neisseria LINEs up: On episode #1 of the podcast This Week in Microbiology, Vincent, Cliff, Michael, and Stan discuss transfer of DNA from a human host to a bacterial pathogen, and the ability of dry copper to kill bacteria on contact. by This Week in Microbiology
63 min listen
TWiM # 8: Live in NOLA: Vincent, Michael, and Stanley recorded TWiM #8 live at the 2011 ASM General Meeting in New Orleans, with guests Andreas Baümler, Nicole Dubilier, and Paul Rainey. They spoke about how pathogens benefit from disease, symbioses between... by This Week in Microbiology
86 min listen
TWiM #9: Bean sprouts and E. coli O104:H4: Vincent, Michael, and Cliff review the outbreak of bloody diarrhea and hemolytic uremic syndrome in Germany caused by Shiga toxin-producing Escherichia coli O104:H4. by This Week in Microbiology
77 min listen
TWiM #25: Magnetotactic bacteria and totally drug resistant TB: On episode #25 of the podcast, Vincent, Elio, and Michael review bacteria that use the earth’s magnetic field for navigation, and identification of totally drug resistant Mycobacterium tuberculosis. by This Week in Microbiology
77 min listen
TWiM #23: Fighting antibiotics with toxic gas and starvation: Vincent, Jo, Elio, and Michael explain how a swarming bacterium helps disperse a non-motile fungus, and bacterial antibiotic tolerance mediated by hydrogen sulfide and starvation responses. by This Week in Microbiology
76 min listen
TWiM #5: Mercury-methylating Desulfovibrio and antimicrobial nanoparticles: Vincent, Ron, Cliff, and Michael discuss the genome sequence of a mercury-methylating bacterium and the antimicrobial effects of nanoparticles. by This Week in Microbiology
76 min listen
TWiM #10: A symbiotic cloaking device: On episode #10 of the podcast This Week in Microbiology, Vincent, Margaret, Elio, Michael and Dickson discuss the symbiosis between the Hawaiian bobtail squid and the luminous, gram-negative bacterium Vibrio fischeri. by This Week in Microbiology
68 min listen
TWiM #17: Debugging endosymbiosis: Vincent, Michael, and Elio focus on endosymbiosis: the rapid spread of Ricekttsia in whitefiles, and a metabolic patchwork in nested symbionts of mealybugs. by This Week in Microbiology
71 min listen
TWiM #7: Cycles of life and death, light and dark: Vincent, Cliff, Elio, Margaret, and Michael discuss programmed cell death in E. coli, and the daily synthesis and degradation of enzymes needed for photosynthesis and nitrogen fixation by cyanobacteria. by This Week in Microbiology
64 min listen
TWiM #19: Your microbiome is what you eat: Vincent, Michael, Elio, and Jo discuss the genome sequence of Y. pestis from victims of the Black Death, and the effect of diet on gut microbial enterotypes. by This Week in Microbiology
59 min listen
TWiM #2: The plague, microbial virulence and the gut microbiome: Vincent, Cliff, and Michael review a fatal laboratory acquired Yersinia pestis infection, and how gut bacteria control body weight and metabolic activity. by This Week in Microbiology
76 min listen
TWiM #12: Photothermal nanoblades and genome engineering: Vincent, Margaret, Michael and Elio review the use of photothermal nanoblades to dissect the Burkholderia intracellular life cycle, and manipulation of chromosomes in vivo for genome-wide codon replacement in E. coli. by This Week in Microbiology
75 min listen
TWiM #20: Facebook for bacteria: On episode #20 of the podcast This Week in Microbiology, Vincent, Michael, and Elio follow up on the outbreaks of E. coli in Germany and cholera in Haiti, then discuss genes that confer self-identity to Proteus mirabilis. by This Week in Microbiology
68 min listen
TWiM #44: Phage interruptus: Vincent, Michael, Elio discuss the role of prophage excision in exit of Listeria from the phagosome, and analysis of bacterial communities in saliva. by This Week in Microbiology
66 min listen
TWiM #14: Vomocytosis and microbial transistors: On episode #14 of the podcast This Week in Microbiology, Stanley, Margaret, Michael and Elio review how the fungus Cryptococcus escapes from macrophages, and electrical conductivity in nanowires formed by the bacterium Geobacter. by This Week in Microbiology
68 min listen
TWiM #13: Probiotics and inflammasomes: Telling good bacteria from the bad: On episode #13 of the podcast This Week in Microbiology, Stanley, Jo, Michael and Elio discuss how colonic microbial ecology and risk for colitis are regulated by an inflammasome, and amelioration of intestinal inflammation in mice by delivery of... by This Week in Microbiology
58 min listen
TWiM #16: ICAAC Live: On episode #16 of the podcast This Week in Microbiology, Vincent, Michael, Arturo, Stuart, and David converse about antimicrobial resistance and why most fungi do not cause disease at the 51st Interscience Conference... by This Week in Microbiology
89 min listen
TWiM #4: Cantaloupes and Salmonella gastroenteritis: Vincent, Cliff, Margaret, and Michael review foodborne bacterial illness in the context of outbreaks associated with cantaloupes and Lebanon bologna. by This Week in Microbiology
75 min listen
TWiM #34: Doing the DISCO with Emiliania: Hosts: Vincent Racaniello, Michael Schmidt, and Elio Schaechter Vincent, Michael, and Elio discuss changing populations of Emiliania huxleyi and their viruses in the North and Black Seas. Right click to download TWiM... by This Week in Microbiology
69 min listen
TWiM #15: Microbial long distance relationships: On episode #15 of the podcast This Week in Microbiology, Vincent, Michael and Jo review the number of species on Earth, evidence that the 2010 Haitian cholera outbreak originated in Nepal, and how gut microbiota influence the immune response to... by This Week in Microbiology
59 min listen
TWiM #30: Unraveling melioidosis and insulin resistance: On episode #30 of the podcast, Vincent, Elio, and Michael review how a toxin from Burkholderia pseudomallei inhibits protein synthesis, and the role of the gut microbiome in modulating insulin resistance in mice lacking an innate immune sensor. by This Week in Microbiology
70 min listen
TWiM #47: Resistance on the surface: Horizontal transfer of antibiotic resistance genes on metal surfaces, and using bacteriophage to reverse antibiotic resistance. by This Week in Microbiology
71 min listen
TWiM 31: Screen door on a submarine: Hosts: Vincent Racaniello, Jo Handelsman, and Michael Schmidt Vincent, Jo, and Michael discuss an archetypal protein transport system in bacterial outer membranes, and evidence that gut microbial enterotypes might not fall into... by This Week in Microbiology
75 min listen
TWiM #3: Anthrax, genomics and the FBI inquiry: Vincent, Jo, Cliff, and Ron explore the genome analysis done in support of the Amerithrax investigation, and an insecticidal enterotoxin-deficient mutant of Bacillus thurigiensis. by This Week in Microbiology
60 min listen
TWiM #22: Microbiology 911: Vincent and Michael speak with Alfred Sacchetti, MD, Chief of Emergency Services at Our Lady of Lourdes Medical Center, about microbial infections encountered in the emergency room. by This Week in Microbiology
98 min listen
TWiM #18: Escherichia coli K-12, an emerging pathogen?: Vincent, Michael, Elio, and Stanley explain how to make the human intestinal commensal and benign laboratory bacterium Escherichia coli K-12 into an invasive organism, and the unearthing of century-old spores in New York City. by This Week in Microbiology
74 min listen
TWiM #27: An inflamed gut is good for Salmonella: Vincent, Elio, and Michael review how inflammation allows Salmonella to compete with fermenting gut microbes, and a riboswitch in bacterial and Archeal species that is triggered by fluoride. by This Week in Microbiology
75 min listen

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TWiM #28: Not unorganized bags of enzymes

TWiM #28: Not unorganized bags of enzymes

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Titles in the series (100)

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